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Finding the Fourth Proportional to 340,835, 470,355.58 and 187,879.08

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Solution

The fourth proportional to 340,835, 470,355.58 and 187,879.08 is: 259,274.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,835 : 470,355.58 = 187,879.08 : x
  2. Step 2: Convert to fraction form
    340,835/470,355.58 = 187,879.08/x
  3. Step 3: Cross multiply
    340,835x = 470,355.58 × 187,879.08
  4. Step 4: Simplify right side
    340,835x = 88,369,973,643.27
  5. Step 5: Solve for x
    x = 88,369,973,643.27/340,835
  6. Step 6: Final answer
    x = 259,274.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.